#include<stdio.h>
int main()
{
	const int ROW = 4;
	const int COL = 3;
	int arr[ROW][COL] = {{1,2,3},{4,5,6},{7,8,9},{10,11,12}};

	for(int i=0; i<ROW; i++){
		for(int j=0; j<COL;j++){
			printf("%2d\t", arr[i][j]);
		}
		printf("\n");
	}

	return 0;
}
